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Content Provider | IET Digital Library |
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Author | Li, Zhigang Peng, Yalan Yao, Fang Liu, Mingyu |
Abstract | When connecting a large number of generating sets into power grid, there will be the harmonic wave generated in power grid causing voltage and current distortion, which affects power quality seriously. Based on the instantaneous reactive power theory, the active current, reactive current and harmonic current can be real-time monitored. The P–Q method can be adopted to control reactive power compensation. By building the converter control model, the variation of reactive power of power grid between photovoltaic grid-connected inverter working under stand-alone mode and grid-connected mode can be analysed via a simulation system. The experimental analysis of reactive power compensation and harmonic suppression, the availability of the control strategy of the photovoltaic grid-connected inverter system can be proved. Using this novel strategy, the photovoltaic grid-connected power system can not only provide active power but also compensate reactive power and suppress harmonic, which will improve power quality. |
Starting Page | 2278 |
Ending Page | 2283 |
Page Count | 6 |
Volume Number | 2019 |
e-ISSN | 20513305 |
Issue Number | Issue 16, Mar (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/conferences/cn-adc-2018 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8905 |
Journal | The Journal of Engineering |
Publisher | The Institution of Engineering and Technology |
Publisher Date | 2018-10-26 |
Access Restriction | Open |
Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
Subject Keyword | Active Current Current Active Power Control of Electric Power System Control Reactive Power Compensation Control Strategy Converter Control Model Current Distortion Distributed Power Generation Grid-connected Mode Harmonic Current Harmonics Harmonics Suppression Instantaneous Reactive Power Theory Invertors Photovoltaic Grid-connected Inverter System Photovoltaic Grid-connected Power System Photovoltaic Power System Power And Energy Control Power Generation Control Power Grid Power Quality Power Supply Quality Reactive Current Current Reactive Power Compensation Technology Reactive Power Control Solar Power Stations |
Content Type | Text |
Resource Type | Article |
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